JIT-Compiling SQL Queries in PostgreSQL Using LLVM
May 26, 2017 · build PostgreSQL code with LLVM with -O3 and all its fancy optimizations? • At the time of query execution we have extra information we don’t have at PostgreSQL build time • We know DB schema, affected tables, attributes, execution plan and filtering conditions
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212 Internals Of PostgreSQL Wal - PGCon 2018
www.pgcon.org• In PostgreSQL, Redo logs are known by Write Ahead Logs (WAL) and it is ensured that log entries must reach stable storage before the data-page changes they describe.
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